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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 27 - Wave Optics > Light from a sources emitting two wavelengths λ1 and λ2 is allowed to fall on Young’s double-slit apparatus after filtering one of the wavelengths. The position of interference maxima is noted. When the filter is removed both the wavelengths are incident and it is found that maximum intensity is produced where the fourth maxima occured previously. If the other wavelength if filtered, at the same location the third maxima is found. What is the ratio of wavelength?

Light from a sources emitting two wavelengths λ1 and λ2 is allowed to fall on Young’s double-slit apparatus after filtering one of the wavelengths. The position of interference maxima is noted. When the filter is removed both the wavelengths are incident and it is found that maximum intensity is produced where the fourth maxima occured previously. If the other wavelength if filtered, at the same location the third maxima is found. What is the ratio of wavelength?

In Young's double slit experiment the wavelength of light was changed from 7000Å to 3500 Å. While doubling the separation between the slits which of the following is not true for this experiment?